Yuhe Sui
President, Founder & Principal Researcher, Quantitative Research Society, Singapore
BS, Nanyang Technological University, Mathematical Sciences and EconomicsAug 2025 – Dec 2028
Quant Intern, UBS · PQAMay 2026 – Aug 2026
Projects: NTU Info, QRS@NTU Academic Platform · All projects
About
Yuhe studies attention mechanisms, focusing on their geometry, approximation behaviour, and statistical efficiency. Research interests include adapting attention through post-training and fine-tuning, and applying these methods to quantitative finance, reinforcement learning, and sequential decision-making.
Publications
- Geometric Attention Fine-Tuning Is Representation-Relative: Autonomous ML Research with AI-Native Workflow
- PolicyAttention: Robustness and Failure Modes of Softmax Policy Improvement
- PolicyAttention: When Softmax Attention Becomes Policy Improvement
- Diverse Scenarios, Selective Evaluation: Certified Spectral-Risk Decisions under Costly Robustness Tests
- The Approximation Rank of Softmax Attention: Sharp Geometric Laws and Robust Interaction Dimension
- NTU-QRS AlphaAllocator: Bounded Transformer News Overlays for Chinese Macro-Asset Allocation
More background, teaching & distinctions
My research explores the mathematical foundations of learning, decision-making, and reliable AI. I am currently an undergraduate at Nanyang Technological University, Singapore.
UBS PQA Intern: Research tooling, feature preparation, validation and diagnostics.
Teaching & community
Teaching Assistant · Math Camp International
2025-07
Supported an advanced mathematics programme covering probability, Markov chains, algebraic topology, competition mathematics, and research-style problem solving.
Founder & Lead · Quantitative Research Society @ NTU
2025-09–present
Founded and lead a student research community spanning mathematics, machine learning, economics, quantitative finance, and computational methods.
Selected distinctions
NLPCC 2026 Shared Task 4 · Poster + Oral · Shared Task 4: Track 1 winner; Track 2 6th.